#187088
Closest named color: Sea Blue (#047495). oklch(50.7% 0.086 221.3), rgb(24, 112, 136).
Aa
White text reads best on this color (5.65:1).
About this color
#187088 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 51%, its chroma 0.086 and its hue 221°. Its hue sits on the cool side of the wheel. The nearest named color is Sea Blue (#047495), ΔE 0.021 away. White text reads best on it, at 5.65:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (51%) |
| Chroma | moderately saturated (0.086) |
| Temperature | cool |
| Nearest name | Sea Blue (#047495) |
| Black text | 3.71:1 |
| White text | 5.65:1 |
Values
| HEX | #187088 |
| RGB | rgb(24, 112, 136) |
| HSL | hsl(193, 70%, 31%) |
| OKLCH | oklch(50.7% 0.086 221.3) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #187088 | 5.65:1 | AA | Lc -83.2 | Fine for body text |
| Black text on #187088 | 3.71:1 | AA large text | Lc 26.2 | Dividers and decoration only |
| #187088 text on white | 5.65:1 | AA | Lc 77.9 | Fine for body text |
| #187088 text on black | 3.71:1 | AA large text | Lc -23.9 | Dividers and decoration only |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 700.
-
Step 50
50
#F2F6F8
oklch(97.1% 0.005 228.8)
-
Step 100
100
#E2ECF0
oklch(93.7% 0.012 223.5)
-
Step 200
200
#C9DDE4
oklch(88.5% 0.023 220.8)
-
Step 300
300
#A4C7D4
oklch(80.8% 0.042 222.4)
-
Step 400
400
#71ABBE
oklch(70.8% 0.066 220.6)
-
Step 500
500
#4795AE
oklch(63.1% 0.085 221.7)
-
Step 600
600
#217F9A
oklch(55.6% 0.093 221.9)
-
Step 700
700 (this color)
#187088
oklch(50.7% 0.086 221.3)
-
Step 800
800
#13586B
oklch(42.9% 0.072 221.1)
-
Step 900
900
#194856
oklch(37.6% 0.055 220.9)
-
Step 950
950
#102A33
oklch(26.9% 0.036 223.3)
#187088 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #626D89 | 0.070 |
| Deuteranopia (no green cones) | #536288 | 0.063 |
| Tritanopia (no blue cones) | #007878 | 0.042 |
| Achromatopsia (no color) | #676767 | 0.086 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #187088
#187088
oklch(50.7% 0.086 221.3)
- #8F543D
#8F543D
oklch(50.9% 0.086 41.9)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #187088, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sea Blue #047495 ΔE 0.021
- Ocean Blue #03719C ΔE 0.032
- Deep Aqua #08787F ΔE 0.033
- Ocean #017B92 ΔE 0.033
- Deep Turquoise #017374 ΔE 0.038
- Peacock Blue #016795 ΔE 0.040
- Dark Aquamarine #017371 ΔE 0.043
- Bluegreen #017A79 ΔE 0.045
Use #187088 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.